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AI Tools · head to head

AI21 Labs vs greytHR

AI21 Labs logo

AI21 Labs

AI Tools

Enterprise language AI solutions

From
Free
Rated
-
Full reviewWebsite
greytHR logo

greytHR

HR & Recruiting

Indian AI-first HRMS and payroll software for full-suite people management

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only AI21 Labs has a free tier, so it costs nothing to try first.
  • Each has a real cost: AI21 Labs the free allowance is $10 of credit lasting 7 days rather than an ongoing free tier; greytHR published starting price of INR 2,495/month covers only up to 50 employees, so larger companies must move to a higher, unpublished tier

Where they differ

Only the attributes on which AI21 Labs and greytHR actually diverge.

Attributes where AI21 Labs and greytHR differ
AttributeAI21 LabsgreytHR
Starting priceFreeOn request
Pricing modelusage-basedsubscription
Free tierYesNo
PlatformsApi, CloudWeb
CategoryAI ToolsHR & Recruiting
Founded2017Unknown

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in AI21 Labs

  • Jamba models
  • Long context
  • RAG engine
  • Writing tools
  • REST API
  • Amazon Bedrock
  • Cloud platforms
  • Api support

Only in greytHR

Nothing recorded that AI21 Labs does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

AI21 Labs

  • Running long-context tasks on the Jamba model familynot greytHR
  • Building and optimising production AI agents with Maestronot greytHR
  • Routing between models to control cost and accuracynot greytHR
  • Long-horizon agentic tasks needing stateful workspacesnot greytHR

greytHR

No use cases recorded yet. See the greytHR review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

AI21 Labs

  • The free allowance is $10 of credit lasting 7 days rather than an ongoing free tier
  • Jamba Large is $2 per million input tokens and $8 per million output, so output-heavy work costs four times as much as input
  • Volume discounts, private cloud hosting and higher rate limits require a custom plan
  • Standard rate limits are not published

greytHR

  • Published starting price of INR 2,495/month covers only up to 50 employees, so larger companies must move to a higher, unpublished tier
  • The platform serves 34,000+ companies and its entry tier is scoped by headcount rather than by feature set, meaning growth past 50 employees forces a plan change

Pricing, plan by plan

AI21 Labs

Free
  • Free TrialFree
    • Limited usage
    • API access
  • Jamba$0.2/per-million-input-tokens
    • 256K context
    • Hybrid architecture

greytHR

On request

No published plan breakdown. See the greytHR review.

Which should you pick?

Choose AI21 Labs if

  • You need jamba models.
  • You want to start without paying.
  • You work on Api, Cloud.
  • You also want long context.
AI21 Labs review

Choose greytHR if

Nothing in the data separates greytHR from AI21 Labs on the points above - pick on price and on how each one feels to use.

greytHR review

Questions people ask

Is AI21 Labs or greytHR better?
Neither clearly leads. AI21 Labs starts at Free and greytHR at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AI21 Labs or greytHR?
AI21 Labs has a free tier; the other does not. Paid plans start at Free for AI21 Labs and On request for greytHR.
Does AI21 Labs or greytHR run on more platforms?
AI21 Labs runs on Api, Cloud. greytHR runs on Web.
Can I use AI21 Labs for free?
Yes. AI21 Labs has a free tier, so you can try it without paying. greytHR starts at On request.
What is AI21 Labs best used for?
AI21 Labs is most often used for running long-context tasks on the jamba model family, building and optimising production ai agents with maestro, routing between models to control cost and accuracy, long-horizon agentic tasks needing stateful workspaces. Of those, running long-context tasks on the jamba model family and building and optimising production ai agents with maestro are not what greytHR is typically brought in for.
What can AI21 Labs do that greytHR cannot?
AI21 Labs covers Jamba models, Long context, RAG engine, Writing tools.
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